Finding the Fourth Proportional to 10,199.50, 15,284.66 and 5,807.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,199.50 : 15,284.66 = 5,807.89 : x
2. Step 2: Convert to fraction form
   10,199.50/15,284.66 = 5,807.89/x
3. Step 3: Cross multiply
   10,199.50x = 15,284.66 × 5,807.89
4. Step 4: Simplify right side
   10,199.50x = 88,771,518.50
5. Step 5: Solve for x
   x = 88,771,518.50/10,199.50
6. Step 6: Final answer
   x = 8,703.52